package com.heima.behavior.service.impl;

import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApUnlikeBehaviorService;
import com.heima.common.exception.CustException;
import com.heima.model.behavior.dtos.UnLikesBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApUnlikesBehavior;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import com.mongodb.client.result.DeleteResult;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.stereotype.Service;

import java.util.Date;

/**
 * @Program: day57-leadnews
 * @Description:
 * @Data: 2022/8/4 23:05
 **/
@Service
@Slf4j
public class ApUnlikeBehaviorServiceImpl implements ApUnlikeBehaviorService {

    @Autowired
    ApBehaviorEntryService apBehaviorEntryService;

    @Autowired
    MongoTemplate mongoTemplate;

    @Override
    public ResponseResult unlikeBehavior(UnLikesBehaviorDTO dto) {
        // 1. 校验参数 文章id不能为空  需要登录 不喜欢类型取值为 0 或 1
        if (dto.getArticleId() == null){
            CustException.cust(AppHttpCodeEnum.PARAM_INVALID,"操作异常，文章不存在！");
        }
        Integer userId = AppThreadLocalUtils.getUser().getId();
        Integer equipmentId = dto.getEquipmentId();
        ApBehaviorEntry apBehaviorEntry = apBehaviorEntryService.findByUserIdOrEquipmentId(userId, equipmentId);
        // 2. 查询行为实体数据
        Query query = Query.query(Criteria.where("entryId").is(apBehaviorEntry.getId()).and("articleId").is(dto.getArticleId()));
        ApUnlikesBehavior apUnlikesBehavior = mongoTemplate.findOne(query, ApUnlikesBehavior.class);
        // 3. 如果是 不喜欢操作 查询不喜欢行为是否存在
        if (apUnlikesBehavior == null && dto.getType() == 0){
            // 4. 如果不存在   添加不喜欢行为
            apUnlikesBehavior = new ApUnlikesBehavior();
            apUnlikesBehavior.setArticleId(dto.getArticleId());
            apUnlikesBehavior.setEntryId(apBehaviorEntry.getId());
            apUnlikesBehavior.setCreatedTime(new Date());
            mongoTemplate.save(apUnlikesBehavior);
            return ResponseResult.okResult(apUnlikesBehavior);
        }else {
            // 5. 如果是 取消不喜欢操作  删除对应的不喜欢数据
            DeleteResult result = mongoTemplate.remove(query, ApUnlikesBehavior.class);
            return ResponseResult.okResult(result);
        }
    }
}
